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Metric System Notes. 8/21/10. What is the metric system? . A decimal system of units with powers of ten. Example: 0.1; 1; 10; 100; 1,000 Also known as: the Système International d'Unités (SI units). What are the base units in the metric system? . Length/Distance = Meter

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what is the metric system
What is the metric system?
  • A decimal system of units with powers of ten.

Example: 0.1; 1; 10; 100; 1,000

  • Also known as: the Système International d'Unités (SI units)
what are the base units in the metric system
What are the base units in the metric system?
  • Length/Distance = Meter
  • Volume = Liter
  • Mass = kilogram
what is a metric conversion
What is a metric conversion?
  • Changing the same number to a different unit.

Ex. 100cm = 1 m changes the number from centimeters to meters.

slide5
If a swimming pool has 250,000 liters of water in it. How many kiloliters of water does it have in it?
  • 250,000 liters = ________________ kiloliters.
how do you convert between metric units
How do you convert between metric units?
  • Change the prefix.
  • multiply or divide by powers of ten.
example problems
Example problems
  • 1) 78.908cm= _____________ mm
  • 3) 4.87m= ____________mm
  • 5) 45.3497kL= _____________mL
what is a scale
What is a scale?
  • A proportion used to determine the relationship of a representation of a time frame.
how do you calculate how old the earth is using your scale
How do you calculate how old the earth is, using your scale?
  • 10 cm = 100 million years
  • Measure the paper
  • Convert from meters to centimeters
  • Use a proportion to figure out how old the earth is.
how old is the earth
How old is the Earth?
  • 4.6 billion years old.
instructions for timeline sheet
Instructions for Timeline Sheet
  • Complete Steps 3 and 5 on the instruction sheet.
what are eons and eras
What are Eons and Eras?
  • Divisions of time, separated by catastrophic or major events in history.
timeline instructions
Timeline Instructions
  • Measure, mark and Color Eons and Eras first

PRE-ARCHEAN

finishing timelines
Finishing Timelines

Add Events with a STAR and DRAW /PASTE a picture of them

First fish 51 MYA

beginning of the Earth

4.6 Billion years ago

First plants (algae) 3.2 billion years ago

The first signs of life 3.8 BYA

group members
Group members
  • Group member 1: task master – keeping the group on task, overall organization
  • Group member 2: Marking eons and eras and coloring, then jumping in with #3 when finished
  • Group member 3: Marking events and beginning to draw pictures for the starred events.
slide19

Homework= Get supplies for class by Monday, get syllabus signed, summarize your notes, finish most of the timeline

what was pangaea
What was Pangaea?
  • The supercontinent that all continents originated from.
what is plate tectonics
What is Plate Tectonics?
  • The study of how plates (divisions of the crust) float or move on top of the mantle.
what is continental drift
What is continental drift?
  • The theory that the continents drifted apart from one continent (Pangaea).

http://www.sciencelearn.org.nz/Contexts/Icy-Ecosystems/Sci-Media/Animations-and-Interactives/Continental-drift